2009

9.8

2017

6.0

1968

6.4

1994

7.4

2019

6.3

1995

6.2

2002

6.1

2011

5.2

1996

5.5

2002

6.4

2021

5.4

2002

5.6

2001

5.8

2005

5.2

1973

6.7

2000

6.7

1959

7.2

1955

7.3

2000

5.5

2002

5.6